On Tue, Jul 16, 2013, Bruce Walker wrote: > On Tue, Jul 16, 2013 at 3:43 PM, Aahz Maruch <[email protected]> wrote: >> On Tue, Jul 16, 2013, Bruce Walker wrote: >>> >>> Zos, eyebrows are my litmus test for system sharpness. Get a well-lit >>> headshot of somebody and examine their eyebrows. You should clearly >>> see the individual hairs. Any time I handhold to get such a shot the >>> eyebrows are invariably a gaussian smear. You cannot do clean >>> retouching of such images. >>> >>> I can show you a 100% crop of my model's eyebrows from the last beauty >>> shots I took using a tripod with my K20D and DA* 50-135. Clear, sharp, >>> detailed. I defy you to get that clarity handheld, no matter the >>> shutter speed. >> >> Let's make sure we're testing the same thing. What percent of frame >> should the person's head be? Any other requirements? > > You want this to be scientific? This is The Internet. :-)
Not necessarily "scientific", but at least evidence-based. ;-) > Well, the shot I have In Support of Tripod Use is this recent one: > > http://flic.kr/p/f2Kebj > > Obviously head fills the frame, landscape. Camera was about 8-9 feet > away, 135mm at F8.0, ISO 200. > > Here's a 100% crop of her right eyebrow and eyelashes: > > https://dl.dropboxusercontent.com/u/2254722/PDML/BMW_8026-crop.tif > > It's an 8-bit TIFF, exported from the original RAW shot in Lightroom > 4. Lr's default zeroed settings except WB: flash and the default RAW > sharpening of 25. This is a sucky shot, but hopefully enough to disprove your point. Nikon P7100 (10MP), mirror selfie, arm braced on door frame, 61mm (35mm/e), ISO 100, 1/25s. Converted from RAW in Preview.app (essentially no editing). http://rule6.info/photos/critique/eyebrow/eyebrow_headshot.jpg http://rule6.info/photos/critique/eyebrow/eyebrow.tiff A better and/or newer camera with a higher shutter speed and better lighting would certainly improve things, as would tighter composition. -- Hugs and backrubs -- I break Rule 6 http://rule6.info/ <*> <*> <*> Help a hearing-impaired person: http://rule6.info/hearing.html -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
